Let v = (x*z, 2 – 4xyz, xz) be the velocity field of a fluid. Compute the flux of v across the surface 25x? + 16z2 = (y – 20) where 0 < y < 20 and the surface is oriented away from the origin.

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A: Since you posted a question with multiple sub-parts, we will solve first three sub-parts for you. To…

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